Examine source code of Wedding-Card

{
  "name": "Wedding-Card",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "1000176131.jpg"
    },
    "colors": {
      "frame": "rgba(202, 212, 235, 1)",
      "tab_background_text": "rgba(227, 171, 4, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{aa205ff8-7a3c-4481-82f2-2e3163ddad9d}"
    }
  }
}